Piano



FIG. 1 is a perspective view of the front, top and right of a piano showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a front view thereof showing the state of a clavier cover being closed.

The elements shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a piano, as shown and described. 